DAMASK_EICMD/processing/post/permuteData.py

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#!/usr/bin/env python
import os,re,sys,math,numpy,string
import damask
from collections import defaultdict
from optparse import OptionParser, Option
scriptID = '$Id$'
scriptName = scriptID.split()[1]
# -----------------------------
class extendableOption(Option):
# -----------------------------
# used for definition of new option parser action 'extend', which enables to take multiple option arguments
# taken from online tutorial http://docs.python.org/library/optparse.html
ACTIONS = Option.ACTIONS + ("extend",)
STORE_ACTIONS = Option.STORE_ACTIONS + ("extend",)
TYPED_ACTIONS = Option.TYPED_ACTIONS + ("extend",)
ALWAYS_TYPED_ACTIONS = Option.ALWAYS_TYPED_ACTIONS + ("extend",)
def take_action(self, action, dest, opt, value, values, parser):
if action == "extend":
lvalue = value.split(",")
values.ensure_value(dest, []).extend(lvalue)
else:
Option.take_action(self, action, dest, opt, value, values, parser)
# --------------------------------------------------------------------
# MAIN
# --------------------------------------------------------------------
parser = OptionParser(option_class=extendableOption, usage='%prog options [file[s]]', description = """
Permute all values in given column(s).
""" + string.replace(scriptID,'\n','\\n')
)
parser.add_option('-l','--label', dest='label', action='extend', type='string',
help='heading(s) of column to permute',
metavar='<label>')
parser.set_defaults(label = [])
(options,filenames) = parser.parse_args()
if len(options.label)== 0:
parser.error('no data column specified...')
datainfo = { # list of requested labels per datatype
'scalar': {'len':1,
'label':[]},
}
if options.label != None: datainfo['scalar']['label'] += options.label
# ------------------------------------------ setup file handles ---------------------------------------
files = []
if filenames == []:
files.append({'name':'STDIN', 'input':sys.stdin, 'output':sys.stdout, 'croak':sys.stderr})
else:
for name in filenames:
if os.path.exists(name):
files.append({'name':name, 'input':open(name), 'output':open(name+'_tmp','w'), 'croak':sys.stderr})
#--- loop over input files ------------------------------------------------------------------------
for file in files:
if file['name'] != 'STDIN': file['croak'].write('\033[1m'+scriptName+'\033[0m: '+file['name']+'\n')
else: file['croak'].write('\033[1m'+scriptName+'\033[0m\n')
table = damask.ASCIItable(file['input'],file['output'],False) # make unbuffered ASCII_table
table.head_read() # read ASCII header info
table.info_append(string.replace(scriptName,'\n','\\n') + \
'\t' + ' '.join(sys.argv[1:]))
# --------------- figure out columns to process
active = defaultdict(list)
column = defaultdict(dict)
for datatype,info in datainfo.items():
for label in info['label']:
foundIt = False
for key in ['1_'+label,label]:
if key in table.labels:
foundIt = True
active[datatype].append(label)
column[datatype][label] = table.labels.index(key) # remember columns of requested data
if not foundIt:
file['croak'].write('column %s not found...\n'%label)
# ------------------------------------------ assemble header ---------------------------------------
table.head_write()
# ------------------------------------------ process data ---------------------------------------
permutation = {}
theColumns = table.data_asArray([column['scalar'][label] for label in active['scalar']])
for i,label in enumerate(active['scalar']):
unique = list(set(theColumns[:,i]))
permutated = numpy.random.permutation(unique)
permutation[label] = dict(zip(unique,permutated))
table.data_rewind()
while table.data_read(): # read next data line of ASCII table
for datatype,labels in active.items(): # loop over vector,tensor
for label in labels: # loop over all requested stiffnesses
for c in xrange(column[datatype][label],
column[datatype][label]+datainfo[datatype]['len']):
table.data[c] = permutation[label][float(table.data[c])] # apply permutation
table.data_write() # output processed line
# ------------------------------------------ output result ---------------------------------------
table.output_flush() # just in case of buffered ASCII table
if file['name'] != 'STDIN':
file['input'].close() # close input ASCII table
file['output'].close() # close output ASCII table
os.rename(file['name']+'_tmp',file['name']) # overwrite old one with tmp new